Question 1068051
x, volume of 40% acid
y, volume of 25% acid


{{{system((40x+25y)/79=34,x+y=79)}}}



<a href="https://www.algebra.com/my/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev">LESSON: Mixing two concentrations for known amount of mixture </a>
https://www.algebra.com/my/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev